Rare Nickel silver Waffen-SS EM/NCO belt buckle marked RZM 57

Extremely scarce and rare pre war Waffen-SS EM/NCO belt buckle. This is example is marked RZM 57 which indicates production by M. Winter. This is believed to be one of the earliest examples that exist and is one of the most sought after variants of Waffen-SS belt buckles! Typical pre war example made out of nickel (Alpacca) which naturally has the shiny silver colour . Very rare example in excellent condition!